The Lower Rhenish–Westphalian Circle (German: Niederrheinisch-Westfälischer Reichskreis, Dutch; Flemish: Nederrijns-Westfaalse Kreits) was an Imperial Circle of the Holy Roman Empire. It comprised territories of the former Duchy of Lower Lotharingia, Frisia and the Westphalian part of the former Duchy of Saxony.
The circle was made up of numerous small states, however the Counts De la Marck were able to collect a significant amount of territories, the United Duchies of Jülich-Cleves-Berg from 1521 on. The Empire's largest ecclesiastical territory was held by the Prince-Bishops of Münster.
The circle was made up of the following states:
| Name | Type of entity | Comments | |
|---|---|---|---|
| Arenberg | Principality | ||
| Imperial City | Reichsfreiheit granted by Emperor Frederick I Barbarossa in 1166 | ||
| Anholt | County | 18th Westfalian County, formerly to the Utrecht bishops, reichsfrei since the 14th century, held by the Lords of Gemen, fell to Salm-Salm in 1641 | |
| Beilstein | Lordship | Fief of Trier since 1488, held by the Freiherren von Metternich from 1635, Reichsgrafen from 1679 | |
| Bentheim | County | Recognized as an imperial county in 1486. | |
| Berg | Duchy | Raised to duchy by King Wenceslaus of Luxembourg in 1380, part of Jülich-Cleves-Berg from 1521 to 1614, with Jülich to Palatinate-Neuburg according to the Treaty of Xanten | |
| Blankenheim-Gerolstein | County | Inherited by Manderscheid in 1468 | |
| Bouillon | Duchy | A protectorate of France by the 1679 Peace of Nijmegen but not annexed until 1795 | |
| Brakel | Imperial City | Status challenged by the Prince-Bishopric of Paderborn | |
| Cambray | Imperial City | Status challenged by the Cambrai bishops, declared to a duchy by Emperor Maximilian I of Habsburg in 1510 | |
| Cambrésis | Prince-Bishopric | Diocese established in the 6th century, Reichsfreiheit granted by King Henry II in 1007, archbishopric from 1559, fell to France by the 1679 Peace of Nijmegen | |
| Cleves | Duchy | Part of Jülich-Cleves-Berg from 1521 to 1614, with Mark and Ravensberg to Brandenburg according to the Treaty of Xanten | |
| Imperial City | Status acknowledged by Emperor Frederick III of Habsburg in 1475 | ||
| Corvey | Prince-Abbacy | Established in 815 by King Louis the Pious; 69th seat to the Reichstag | |
| Delmenhorst | County | Established by a junior branch of the House of Oldenburg, held by Oldenburg since 1436 | |
| Diepholz | County | 11th Westfalian County. Established about 1160, to Brunswick-Lüneburg in 1585 | |
| Imperial City | Status confirmed by Emperor Frederick II of Hohenstaufen in 1236 | ||
| Imperial City | Given in pawn to Cleves by King Rudolph of Habsburg in 1290, finally divested of the Imperial title by Elector Frederick William I of Brandenburg in 1674 | ||
| Düren | Imperial City | Status confirmed by Emperor Otto III in 1000, given in pawn to Jülich by Emperor Frederick II of Hohenstaufen in 1241 | |
| 20px Dyck | Lordship | 30th Westfalian County, to the Salm-Reifferscheid | |
| East Frisia | Princely County | Raised to Principality 1662, fell to Prussia in 1744 | |
| Echternach | Prince-Abbacy | Established about 698 by Saint Willibrord, immediacy granted by King Pepin the Short in 751, annexed by France in 1794 | |
| Essen | Abbacy | Established in 845 by Saint Altfrid, immediacy probably granted by King Conrad I (911-918), 10th Prelatess of the Rhine, secularised to Prussia in 1803 | |
| Fagnolle | Lordship | Held by the House of Ligne, raised to county in 1770 | |
| Gemen | Lordship | Held by the Counts of Holstein-Schauenburg, fell to the House of Limburg-Stirum in 1640 | |
| Gimborn | Lordship | Held by the House of Schwarzenberg, Reichsfreiheit granted by Emperor Ferdinand II of Habsburg in 1631, raised to county in 1698, sold to Johann Ludwig von Wallmoden in 1782 | |
| Gronsveld | Lordship | Richsfreiheit granted by Emperor Maximilian I of Habsburg in 1498, raised to county about 1588, annexed by France in 1794 | |
| Hallermund | County | Fief of Brunswick-Calenberg around Springe, raised to Imperial county in 1706 | |
| Herford | Imperial Abbacy | Nunnery established in 789, immediate abbacy since 1147, confirmed by Emperor Frederick I Barbarossa in 1152, 13th Prelature of the Rhine | |
| Herford | Imperial City | Reichsfreiheit derived from Herford Abbey, challenged by Jülich-Cleves-Berg from 1547, annexed by Brandenburgian Ravensberg in 1652 | |
| Holzappel | County | Former Esterau possession of Nassau, granted by Emperor Ferdinand III of Habsburg to his field marshal Peter Melander in 1643, to Anhalt-Bernburg in 1676 | |
| Hoya | County | 10th Westfalian County. Fief of Brunswick-Lüneburg from 1519, line extinct in 1582 | |
| Jülich | Duchy | Reichsfreiheit confirmed by Emperor Louis IV of Wittelsbach in 1328, raised to duchy by Emperor Charles IV of Luxembourg in 1356, part of Jülich-Cleves-Berg 1521 to 1614, with Berg to Palatinate-Neuburg according to the Treaty of Xanten | |
| Kerpen and Lommersum | Lordship | Annexed by Brabant from Cologne after the 1288 Battle of Worringen, inherited by Burgundy in 1406 and the House of Habsburg in 1482, fell to Jülich in 1710, raised to county in 1712, gained Reichsfreiheit in 1786 | |
| Kornelimünster | Prince-Abbacy | Established in 814 by Saint Benedict of Aniane | |
| Lemgo | Imperial City | Established about 1190 by Lord Bernard II of Lippe, Reichsfreiheit ascertained by the Imperial Chamber Court | |
| Liège | Prince-Bishopric | Established about 315 by Saint Maternus of Cologne at Tongeren; 47th seat to the Reichstag | |
| Lingen | County | Emerged from Tecklenburg in 1493, seized as a reverted fief by Emperor Charles V of Habsburg in 1547, with the Burgundian Netherlands to King Philip II of Spain in 1555, conquered by Prince Maurice of Nassau in 1597, inherited by Prussia in 1702 | |
| Lippe | Lordship | Lordship established about 1123, raised to county in 1528, split off Lippe-Alverdissen in 1613 (Schaumburg-Lippe from 1643), raised to principality in 1789 | |
| Manderscheid | County | Held Schleiden since 1445, raised to Imperial county by Emperor Frederick III of Habsburg in 1457, inherited Blankenheim-Gerolstein in 1468, Sternberg-Manderscheid from 1780, annexed by France in 1794 | |
| Mark | County | Established about 1160, acquired Cleves in 1368, part of Jülich-Cleves-Berg from 1521 to 1614, with Cleves and Ravensberg to Brandenburg according to the Treaty of Xanten | |
| Myllendonk | Lordship | Regained Reichsfreiheit in 1700, held by the Counts of Ostein from 1732 | |
| Minden | Principality | Former Bishopric of Minden secularised to Brandenburg by the 1648 Peace of Westphalia | |
| Moers | County | First documented in 1186, held by Wied since 1493, to the Counts of Neuenahr in 1519, inherited by Adolf van Nieuwenaar in 1578, by Maurice of Nassau in 1594, to Prussia as principality in 1702 | |
| Münster | Prince-Bishopric | Bishopric established by Saint Ludger about 805, reichsfrei territory emerged in 1180 from the Duchy of Saxony, held in personal union by the Wittelsbach Prince-Bishops of Cologne 1612–1650, 1683–1688 and 1723–1801; 43th seat to the Reichstag | |
| Nassau-Diez | County | Former County of Diez, inherited by Nassau-Dillenburg in 1386, emerged from Nassau-Dillenburg in 1606, principality 1654, inherited Orange in 1702, name changed to Orange-Nassau | |
| Nassau-Dillenburg | Principality | Emerged from Nassau in 1303, split off Orange in 1559, principality in 1654, inherited by Orange-Nassau in 1739, 87th seat to the Reichstag | |
| Nassau-Hadamar | Principality | Emerged from Nassau-Dillenburg in 1606, Principality 1650, line extinct in 1711, inherited by Orange-Nassau in 1743, 86th seat to the Reichstag | |
| Oldenburg | Duchy | Established in Saxony after the deposition of Henry the Lion in 1180, personal union with Denmark 1667–1773, raised to duchy ruled by Holstein-Gottorp in 1774 | |
| Osnabrück | Prince-Bishopric | ||
| Paderborn | Prince-Bishopric | 29th seat to the Reichstag | |
| Pyrmont | County | ||
| Ravensberg | County | Established about 1140 out of former County of Calvelage, held by Berg since 1346, part of Jülich-Cleves-Berg from 1521 to 1614, with Cleves and Mark to Brandenburg according to the Treaty of Xanten | |
| Reckheim | County | ||
| Reichenstein | Lordship | ||
| Rietberg | County | ||
| Sayn-Altenkirchen | County | 1st Rhenish County, half Sayn-Wittgenstein-Sayn, from 1742 to the Principality of Ansbach | |
| Sayn-Hachenburg | County | 2nd Rhenish County, half Sayn-Wittgenstein-Sayn, from 1714 to the Markgraf of | |
| Schaumburg | County | ||
| Schaumburg-Hesse | County | ||
| Schaumburg-Lippe | County | ||
| Schleiden | County | ||
| Soest | Imperial City | ||
| Spiegelberg | County | 12th Westfalian County. To British Hannover. | |
| Stavelot-Malmedy | Prince-Abbacy | 67th seat to the Reichstag | |
| Steinfurt | County | Reichsfreiheit granted by Emperor Frederick III of Habsburg in 1486, County of Steinfurt in 1495 | |
| Tecklenburg | County | Bentheim-Tecklenburg from 1557 | |
| Thorn | Princess-Abbacy | ||
| Verden | Duchy | Prince-Bishopric of Verden secularized to the King of Sweden from 1648; 46th seat to the Reichstag | |
| Verden | Imperial City | status unclear and abolished | |
| Virneburg | County | ||
| Warburg | Imperial City | ||
| Werden | Prince-Abbacy | ||
| Wesel | Imperial City | status unclear | |
| Wickrath | County | ||
| Wied | County | ||
| Winneburg | Lordship | ||
| Wittem | Lordship |